Home / 2,795.40-3,857.88-1,802.74

Finding the Fourth Proportional to 2,795.40, 3,857.88 and 1,802.74

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Solution

The fourth proportional to 2,795.40, 3,857.88 and 1,802.74 is: 2,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.40 : 3,857.88 = 1,802.74 : x
  2. Step 2: Convert to fraction form
    2,795.40/3,857.88 = 1,802.74/x
  3. Step 3: Cross multiply
    2,795.40x = 3,857.88 × 1,802.74
  4. Step 4: Simplify right side
    2,795.40x = 6,954,754.59
  5. Step 5: Solve for x
    x = 6,954,754.59/2,795.40
  6. Step 6: Final answer
    x = 2,487.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.